package com.tarena.backing.dao;

import com.tarena.backing.pojo.po.User;

import java.util.List;

public interface UserMapper {
    int insert(User user);
    User selectByPrimarykey(Long id);
    List<User> queryAllUser();
    User selectByUserName(String userName);int updateByPrimaryKeySelective(User user);
    int updateByPrimaryKey(User record);
}
